06215952 is referenced by 218 patents and cites 4 patents.

An information record medium (

1:

DVD) having a record track (

1

a

) recorded with at least video information is to be reproduced by a reproducing apparatus (S

2

), which has a read device (

80

) and reproduces at least video information while relatively moving the read device along the record track. In the information record medium, at least video information and control information (

41:

NAVI-PACK,

50:

PCI,

51:

DSI) comprising access information to access the video information are recorded on the record track such that the video and control informations are divided into a plurality of first data groups (

30:

VOBU), each of which is a unit able to be accessed by the reproducing apparatus and each of which comprises the video and control informations. In the information record medium, management information (PGCI) including (i) reproduction procedure information prescribing a reproduction procedure of the video information and (ii) a plurality of first search prohibit informations (

202, 202

a

) each indicating a prohibition of a search operation by the reproducing apparatus for respective one of second data groups (

61:

PGC) each of which comprises a plurality of the first data groups to be reproduced continuously by the reproducing apparatus in accordance with the reproduction procedure information, is collectively recorded at one portion of the record track for each of the second data groups.

Title
Information record medium, apparatus for recording the same and apparatus for reproducing the same
Application Number
8/834806
Publication Number
6215952 (B1)
Application Date
April 3, 1997
Publication Date
April 10, 2001
Inventor
Hiroshi Nakamura
Tokorozawa
US
Akihiro Tozaki
Tsurugashima
US
Kaoru Yamamoto
Tsurugashima
US
Yoshiaki Moriyama
Tsurugashima
US
Takao Sawabe
Tokyo-to
US
Ryuichiro Yoshimura
Tokorozawa
US
Junichi Yoshio
Tokorozawa
US
Agent
Morgan Lewis & Bockius
US
Assignee
Pioneer Electronic Corporation
US
IPC
H04N 5/91
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